EP3511427A4 - BLOCKING MATERIAL AND PROCESS FOR PRODUCING ALLOY STEEL USING THE SAME - Google Patents

BLOCKING MATERIAL AND PROCESS FOR PRODUCING ALLOY STEEL USING THE SAME Download PDF

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Publication number
EP3511427A4
EP3511427A4 EP17849046.2A EP17849046A EP3511427A4 EP 3511427 A4 EP3511427 A4 EP 3511427A4 EP 17849046 A EP17849046 A EP 17849046A EP 3511427 A4 EP3511427 A4 EP 3511427A4
Authority
EP
European Patent Office
Prior art keywords
same
alloy steel
blocking material
producing alloy
producing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17849046.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3511427A1 (en
Inventor
Min Ho Song
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3511427A1 publication Critical patent/EP3511427A1/en
Publication of EP3511427A4 publication Critical patent/EP3511427A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/141—Slags
    • C04B18/144—Slags from the production of specific metals other than iron or of specific alloys, e.g. ferrochrome slags
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00034—Physico-chemical characteristics of the mixtures
    • C04B2111/00215—Mortar or concrete mixtures defined by their oxide composition
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C2007/0093—Duplex process; Two stage processes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2250/00—Specific additives; Means for adding material different from burners or lances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Ceramic Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP17849046.2A 2016-09-12 2017-09-04 BLOCKING MATERIAL AND PROCESS FOR PRODUCING ALLOY STEEL USING THE SAME Withdrawn EP3511427A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160117208A KR101798846B1 (ko) 2016-09-12 2016-09-12 차단재 및 이를 이용한 합금강 제조방법
PCT/KR2017/009665 WO2018048162A1 (ko) 2016-09-12 2017-09-04 차단재 및 이를 이용한 합금강 제조방법

Publications (2)

Publication Number Publication Date
EP3511427A1 EP3511427A1 (en) 2019-07-17
EP3511427A4 true EP3511427A4 (en) 2019-08-14

Family

ID=60808367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17849046.2A Withdrawn EP3511427A4 (en) 2016-09-12 2017-09-04 BLOCKING MATERIAL AND PROCESS FOR PRODUCING ALLOY STEEL USING THE SAME

Country Status (5)

Country Link
US (1) US20190218632A1 (ko)
EP (1) EP3511427A4 (ko)
KR (1) KR101798846B1 (ko)
CN (1) CN109804091A (ko)
WO (1) WO2018048162A1 (ko)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733140A (en) * 1956-01-31 Method for the production of
JPH11170013A (ja) * 1997-12-05 1999-06-29 Sumitomo Metal Ind Ltd 連続鋳造装置のタンディッシュノズル用保温シート
KR101252644B1 (ko) * 2010-11-26 2013-04-09 주식회사 포스코 플럭스 및 이를 이용한 전로 정련 방법
KR101280945B1 (ko) * 2010-12-22 2013-07-02 주식회사 포스코 플럭스 및 이를 이용한 고산소용 용강의 정련 방법
EP2985359A1 (en) * 2013-04-11 2016-02-17 Posco Manganese-containing molten steel production method, temperature-holding furnace and manganese-containing molten steel production equipment using temperature-holding furnace

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2991879B2 (ja) * 1992-12-02 1999-12-20 新日本製鐵株式会社 溶鋼表面保温剤
JP3748716B2 (ja) * 1998-07-31 2006-02-22 株式会社クボタ 遠心鋳造用プリメルト・フラックス
CN101392303B (zh) * 2008-08-05 2010-08-25 山东石横特钢集团有限公司 易切削钢精炼炉渣中有用元素的回收和利用方法
CN101736114B (zh) * 2008-11-19 2011-11-09 攀钢集团研究院有限公司 一种用于造渣的组合物及其制备和使用方法
JP4855554B2 (ja) * 2009-12-10 2012-01-18 新日本製鐵株式会社 溶鋼表面保温剤と溶鋼表面保温方法
KR101239536B1 (ko) * 2010-12-08 2013-03-06 주식회사 포스코 래들 단열 보온재 및 이를 이용한 용강 보온 방법
CN105452504B (zh) * 2013-04-11 2018-03-20 株式会社Posco 含锰钢水生产方法、保温炉和使用保温炉的含锰钢水生产设备
CZ304951B6 (cs) * 2013-07-08 2015-02-04 Ecofer, S.R.O. Tavidlo pro aglomeraci, způsob výroby tavidla, aglomerační směs pro výrobu aglomerátu a použití strusek sekundární metalurgie jako tavidel pro přípravu aglomerační směsi

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733140A (en) * 1956-01-31 Method for the production of
JPH11170013A (ja) * 1997-12-05 1999-06-29 Sumitomo Metal Ind Ltd 連続鋳造装置のタンディッシュノズル用保温シート
KR101252644B1 (ko) * 2010-11-26 2013-04-09 주식회사 포스코 플럭스 및 이를 이용한 전로 정련 방법
KR101280945B1 (ko) * 2010-12-22 2013-07-02 주식회사 포스코 플럭스 및 이를 이용한 고산소용 용강의 정련 방법
EP2985359A1 (en) * 2013-04-11 2016-02-17 Posco Manganese-containing molten steel production method, temperature-holding furnace and manganese-containing molten steel production equipment using temperature-holding furnace

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DICK GROOT ET AL: "The Recovery of Manganese and Generation of a Valuable Residue from Ferromanganese Slags by a Hydrometallurgical Route", vol. 13th International erro Alloys Congress, 1 January 2013 (2013-01-01) - 13 June 2013 (2013-06-13), Almaty Kachkstan, pages 1051 - 1060, XP055602632, Retrieved from the Internet <URL:https://www.researchgate.net/publication/305806165_The_Recovery_of_Manganese_and_Generation_of_a_Valuable_Residue_from_Ferromanganese_Slags_by_a_Hydrometallurgical_Route> [retrieved on 20190704] *
P C NAGANOOR ' ET AL: "Extraction of manganese from Ferro-manganese slag", INDIA, 1 January 2000 (2000-01-01), XP055602628, Retrieved from the Internet <URL:http://eprints.nmlindia.org/2926/1/300-306.PDF> [retrieved on 20190703] *
See also references of WO2018048162A1 *

Also Published As

Publication number Publication date
KR101798846B1 (ko) 2017-11-17
EP3511427A1 (en) 2019-07-17
US20190218632A1 (en) 2019-07-18
CN109804091A (zh) 2019-05-24
WO2018048162A1 (ko) 2018-03-15

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